misskey/src/client/components/modal.vue

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<template>
<div class="mk-modal" v-hotkey.global="keymap" :style="{ pointerEvents: showing ? 'auto' : 'none' }">
<transition :name="$store.state.device.animation ? 'modal-bg' : ''" appear>
<div class="bg _modalBg" v-if="showing" @click="$emit('click')"></div>
</transition>
<div class="content" :class="{ popup, fixed }" @click.self="$emit('click')" ref="content">
<transition :name="$store.state.device.animation ? popup ? 'modal-popup-content' : 'modal-content' : ''" appear @after-leave="$emit('closed')">
<slot v-if="showing"></slot>
</transition>
</div>
</div>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import * as os from '@/os';
// memo: 旧popup.vueのfixedプロパティに相当するものはsource要素の祖先を辿るなどして自動で判定できるのでは
export default defineComponent({
provide: {
modal: true
},
props: {
showing: {
type: Boolean,
required: true,
},
canClose: {
type: Boolean,
required: false,
default: true,
},
// TODO: 要る
noCenter: {
type: Boolean,
required: false
},
source: {
required: false,
}
},
emits: ['click', 'esc', 'closed'],
data() {
return {
fixed: false,
};
},
computed: {
keymap(): any {
return {
'esc': () => this.$emit('esc'),
};
},
popup(): boolean {
return this.source != null;
}
},
mounted() {
this.$nextTick(() => {
if (!this.popup) return;
const popover = this.$refs.content as any;
new ResizeObserver((entries, observer) => {
const rect = this.source.getBoundingClientRect();
const width = popover.offsetWidth;
const height = popover.offsetHeight;
let left;
let top;
if (os.isMobile && !this.noCenter) {
const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.source.offsetWidth / 2);
const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + (this.source.offsetHeight / 2);
left = (x - (width / 2));
top = (y - (height / 2));
popover.style.transformOrigin = 'center';
} else {
const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.source.offsetWidth / 2);
const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + this.source.offsetHeight;
left = (x - (width / 2));
top = y;
}
if (this.fixed) {
if (left + width > window.innerWidth) {
left = window.innerWidth - width;
popover.style.transformOrigin = 'center';
}
if (top + height > window.innerHeight) {
top = window.innerHeight - height;
popover.style.transformOrigin = 'center';
}
} else {
if (left + width - window.pageXOffset > window.innerWidth) {
left = window.innerWidth - width + window.pageXOffset;
popover.style.transformOrigin = 'center';
}
if (top + height - window.pageYOffset > window.innerHeight) {
top = window.innerHeight - height + window.pageYOffset;
popover.style.transformOrigin = 'center';
}
}
if (top < 0) {
top = 0;
}
if (left < 0) {
left = 0;
}
popover.style.left = left + 'px';
popover.style.top = top + 'px';
}).observe(popover);
});
},
});
</script>
<style lang="scss" scoped>
.modal-bg-enter-active, .modal-bg-leave-active {
transition: opacity 0.3s !important;
}
.modal-bg-enter-from, .modal-bg-leave-to {
opacity: 0;
}
.modal-content-enter-active, .modal-content-leave-active {
transition: opacity 0.3s, transform 0.3s !important;
}
.modal-content-enter-from, .modal-content-leave-to {
pointer-events: none;
opacity: 0;
transform: scale(0.9);
}
.modal-popup-content-enter-active, .modal-popup-content-leave-active {
transform-origin: center top;
transition: opacity 0.3s, transform 0.3s !important;
}
.modal-popup-content-enter-from, .modal-popup-content-leave-to {
transform-origin: center top;
pointer-events: none;
opacity: 0;
transform: scale(0.9);
}
.mk-modal {
> .bg {
z-index: 10000;
}
> .content:not(.popup) {
position: fixed;
z-index: 10000;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
max-width: calc(100% - 16px);
max-height: calc(100% - 16px);
overflow: auto;
display: flex;
> * {
margin: auto;
}
}
> .content.popup {
position: absolute;
z-index: 10000;
&.fixed {
position: fixed;
}
}
}
</style>